JPS5445087Y2 - - Google Patents
Info
- Publication number
- JPS5445087Y2 JPS5445087Y2 JP1975007987U JP798775U JPS5445087Y2 JP S5445087 Y2 JPS5445087 Y2 JP S5445087Y2 JP 1975007987 U JP1975007987 U JP 1975007987U JP 798775 U JP798775 U JP 798775U JP S5445087 Y2 JPS5445087 Y2 JP S5445087Y2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
- G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7401319 | 1974-01-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50100584U JPS50100584U (ja) | 1975-08-20 |
| JPS5445087Y2 true JPS5445087Y2 (ja) | 1979-12-24 |
Family
ID=6643327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1975007987U Expired JPS5445087Y2 (ja) | 1974-01-16 | 1975-01-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3932041A (ja) |
| JP (1) | JPS5445087Y2 (ja) |
| FR (1) | FR2257899B1 (ja) |
| GB (1) | GB1476535A (ja) |
| IT (1) | IT1025329B (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467213A (en) * | 1982-06-28 | 1984-08-21 | Beckman Instruments, Inc. | Source assembly for gas analysis instruments |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2227147A (en) * | 1938-03-24 | 1940-12-31 | American District Telegraph Co | Photoelectric burglar alarm system |
| FR1389955A (fr) * | 1964-04-09 | 1965-02-19 | Hartmann & Braun Ag | Photomètre à diffusion |
| CH514838A (de) * | 1970-04-17 | 1971-10-31 | Jaeger Erich | Gerät zur Gasanalyse |
| DE2065118A1 (de) * | 1970-10-27 | 1972-07-20 | Siemens Ag | Lichtzerhacker für ein nach dem Zweistrahlprinzip arbeitendes Ultrarot-Gasanalysegerät. Ausscheidung aus: 2052609 |
| JPS516142Y2 (ja) * | 1971-04-16 | 1976-02-19 |
-
1974
- 1974-10-22 FR FR7435387A patent/FR2257899B1/fr not_active Expired
- 1974-10-30 IT IT28972/74A patent/IT1025329B/it active
-
1975
- 1975-01-06 US US05/538,768 patent/US3932041A/en not_active Expired - Lifetime
- 1975-01-15 GB GB180075A patent/GB1476535A/en not_active Expired
- 1975-01-16 JP JP1975007987U patent/JPS5445087Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2257899B1 (ja) | 1976-12-31 |
| GB1476535A (en) | 1977-06-16 |
| US3932041A (en) | 1976-01-13 |
| JPS50100584U (ja) | 1975-08-20 |
| IT1025329B (it) | 1978-08-10 |
| FR2257899A1 (ja) | 1975-08-08 |